An electric vehicle charger with electromagnetic shielding function

Abstract

The utility model relates to an electric vehicle charger with electromagnetic shielding function. The utility model relates to the technical field of electric vehicle chargers with electromagnetic shielding function. The electric vehicle charger with electromagnetic shielding function includes a shielding layer bottom plate, a plurality of first limit blocks are fixedly arranged on the upper end of the shielding layer bottom plate, a plurality of fixed columns are fixedly arranged on the upper end of the shielding layer bottom plate, a charger body is arranged on the upper end of the shielding layer bottom plate, and the charger body is just limited and stuck by a plurality of first limit blocks, a crossbeam is fixed on the bottom end of the charger body, and a power supply is fixed on the upper end of the crossbeam. By setting a shielding layer, it is used to shield electromagnetic interference, and at the same time, electromagnetic shielding can protect the electronic components inside the charger from external electromagnetic interference, thereby improving the stability and life of the charger.

Description

Technical Field

[0001] The utility model relates to the technical field of an electric vehicle charger with an electromagnetic shielding function, in particular to an electric vehicle charger with an electromagnetic shielding function. Background Art

[0002] With the implementation of the new energy vehicle policy, the electric vehicle industry is booming. Charging technology is one of the key technologies for the development of electric vehicles. Car chargers are divided into slow charging and fast charging, with power ranging from several kilowatts to tens of kilowatts (even hundreds of kilowatts). However, the problem of serious electromagnetic interference in high-power power supply systems is common, and chargers are no exception. Reducing electromagnetic interference during charging and reducing the power consumption of the charging system are of great significance to promoting the healthy development of the new energy vehicle industry and the industrialization of charging stations.

[0003] After searching, it was found that a Chinese patent with application number 202321407595.3 discloses an electromagnetic shielding cover for a charger, including a cover body, and a positioning unit and a ventilation unit are arranged on the cover body for electromagnetic shielding of the charger; the cover body includes but is not limited to a rectangular box, and the rectangular box is composed of a bottom box plate and a side box plate. The beneficial effect of the utility model is that by arranging the shielding cover on the components of the charger, the shielding cover can be conveniently used to suppress the leakage of high-frequency electromagnetic waves, and a positioning protrusion plate is provided, and the positioning protrusion plate is inserted into the slot opened by the circuit board to fix the position of the rectangular box, so that the rectangular box can be covered on the components inside the charger, and the positioning protrusion plate can be conveniently bent inward by bending the slot.

[0004] However, the patents in the prior art have the following disadvantages:

[0005] The electromagnetic shielding cover of this charger has no limiting function for the charger. When external force is applied, the charger and the rectangular box are easily separated. At the same time, it has no rainproof function and cannot be used outdoors in rainy weather. Utility Model Content

[0006] 1. Technical issues to be solved

[0007] In view of the deficiencies in the prior art, the utility model provides an electric vehicle charger with electromagnetic shielding function, which solves the problem that the charger has no limit function, the charger and the rectangular box are easily separated when subjected to external force, and the charger has no rainproof function and cannot be used outdoors in rainy weather.

[0008] (II) Technical solution

[0009] To achieve the above objectives, the utility model is implemented through the following technical solutions: it includes a shielding layer bottom plate, characterized in that: a plurality of first limit blocks are fixedly provided on the upper end of the shielding layer bottom plate, a plurality of fixing columns are fixedly provided on the upper end of the shielding layer bottom plate, a charger body is provided on the upper end of the shielding layer bottom plate, and the charger body is just limited and clamped by a plurality of first limit blocks, a crossbeam is fixed on the bottom end of the inside of the charger body, a power supply is fixed on the upper end of the crossbeam, a mainboard is fixed on the upper end of the crossbeam, a heat dissipation fan body is provided on one side of the charger body, a fixing rod is fixed on one side of the heat dissipation fan body by screws, a motor is provided in the middle of the fixing rod, a fan blade is connected to one side of the motor by an axis, a plurality of fixing blocks are fixed on the upper part of the charger body, a first shielding layer side plate is fixed on one side of the fixing column, and a shielding layer upper cover is fixed on the upper end of the fixing column by bolts.

[0010] As a preferred embodiment of the utility model, a supporting leg is fixed to the bottom end of the shielding layer bottom plate by bolts.

[0011] As a preferred embodiment of the utility model, a plurality of protrusions are provided on the upper end of the shielding layer upper cover.

[0012] As a preferred embodiment of the present invention, a vent is provided on one side of the charger body, and the vent is provided with a plurality of first dustproof nets.

[0013] As a preferred embodiment of the present invention, a second dustproof net is provided on the other side of the charger body.

[0014] As a preferred embodiment of the utility model, second shielding layer side plates are fixedly arranged on both sides of the first shielding layer side plate, and a plurality of heat dissipation holes are penetrated through the second shielding layer side plate.

[0015] As a preferred embodiment of the utility model, a rain eyebrow is fixed on the upper edge of the heat dissipation hole.

[0016] As a preferred embodiment of the present invention, a second limit block is fixed to one side inside the charger body, and a charger cover is provided at the upper end of the charger body.

[0017] (III) Beneficial effects

[0018] The utility model provides an electric vehicle charger with electromagnetic shielding function, which has the following beneficial effects:

[0019] 1. The utility model discloses an electric vehicle charger with electromagnetic shielding function, which is used to shield electromagnetic interference by setting a shielding layer. At the same time, the electromagnetic shielding can protect the internal electronic components of the charger from external electromagnetic interference, thereby improving the stability and life of the charger.

[0020] 2. The utility model provides an electric vehicle charger shielding cover with electromagnetic shielding function. The upper end of the shielding cover is provided with several protrusions for improving the heat dissipation performance. Heat dissipation holes are provided on both sides of the shielding layer for heat dissipation during the operation of the charger. Rain eyebrows are provided on the upper edge of the heat dissipation holes for preventing rainwater from entering and damaging the internal electronic components of the charger.

[0021] 3. The utility model is an electric vehicle charger with electromagnetic shielding function, which is internally equipped with a cooling fan to accelerate internal air circulation, dissipate heat from the charger, and increase the service life of the charger. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the internal structure of the shielding layer of the utility model;

[0025] Figure 3 This is a schematic diagram of the internal structure of the charger of the utility model;

[0026] Figure 4 This is a schematic diagram of the internal structure of the charger of the utility model;

[0027] Figure 5 It is a schematic diagram of the right structure of the utility model;

[0028] In the figure: 1. first shielding layer side plate; 2. support leg; 3. shielding layer bottom plate; 4. second shielding layer side plate; 5. rain eyebrow; 6. bump; 7. shielding layer upper cover; 8. charger upper cover; 9. first limit block; 10. fixing column; 11. power supply; 12. crossbeam; 13. main board; 14. charger body; 15. second limit block; 16. cooling fan body; 17. motor; 18. fixing rod; 19. vent; 20. first dustproof net; 21. fan blade; 22. second dustproof net; 23. heat dissipation hole; 24. fixing block. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figures 1 to 5The utility model provides a technical solution: an electric vehicle charger with electromagnetic shielding function, comprising a shielding layer bottom plate 3, a plurality of first limit blocks 9 are fixedly arranged on the upper end of the shielding layer bottom plate 3, a plurality of fixing columns 10 are fixedly arranged on the upper end of the shielding layer bottom plate 3, a charger body 14 is arranged on the upper end of the shielding layer bottom plate 3, and the charger body 14 is just limited and clamped by the plurality of first limit blocks 9, a crossbeam 12 is fixed at the bottom end of the charger body 14, a power supply 11 is fixed at the upper end of the crossbeam 12, a main board 13 is fixed at the upper end of the crossbeam 12, a heat dissipation fan body 16 is arranged on one side of the charger body 14, a fixing rod 18 is fixed on one side of the heat dissipation fan body 16 by screws, a motor 17 is arranged in the middle of the fixing rod 18, a fan blade 21 is connected to one side of the motor 17 by an axis, a plurality of fixing blocks 24 are fixed on the upper part of the charger body 14, a first shielding layer side plate 1 is fixed on one side of the fixing column 10, and a shielding layer upper cover 7 is fixed on the upper end of the fixing column 10 by bolts.

[0031] In a specific embodiment of the utility model, a plurality of first limiting blocks 9 are fixedly provided on the upper end of the shielding layer bottom plate 3 for clamping and limiting the charger body 14, a plurality of fixing columns 10 are fixedly provided on the upper end of the shielding layer bottom plate 3 for installing and fixing the first shielding layer side plate 1, a charger body 14 is provided on the upper end of the shielding layer bottom plate 3 for installing other electronic components, and the charger body 14 is just limited and clamped by a plurality of first limiting blocks 9 so that it will not fall off, a crossbeam 12 is fixed on the bottom end of the charger body 14 for installing and fixing a power supply 11, a power supply 11 is fixed on the upper end of the crossbeam 12 for accessing an external circuit and electrically connecting to a main board 13, and a main board 13 is fixed on the upper end of the crossbeam 12. Plate 13 is used to realize charging of electric vehicles. A heat dissipation fan body 16 is arranged on one side of the charger body 14. A fixing rod 18 is fixed on one side of the heat dissipation fan body 16 for installing and fixing a motor 17. A motor 17 is arranged in the middle of the fixing rod 18 to provide driving force for the rotation of the heat dissipation fan blades 21. The fan blades 21 are connected to one side of the motor 17 through an axis to discharge the internal hot air to the outside. Several fixing blocks 24 are fixed on the upper part of the charger body 14 for fixing other devices. A first shielding layer side plate 1 is fixed on one side of the fixing column 10 for shielding electromagnetic waves on both sides of the charger. A shielding layer upper cover 7 is fixed on the upper end of the fixing column 10 for shielding the upper electromagnetic waves.

[0032] Specifically, the bottom end of the shielding layer bottom plate 3 is fixed with a support leg 2 by bolts.

[0033] In order to solve the problem of device support, such as Figure 1 As shown, a support leg 2 is fixed to the bottom end of the shielding layer bottom plate 3 to support the entire device.

[0034] Specifically, a plurality of protrusions 6 are disposed on the upper end of the shielding layer upper cover 7 .

[0035] In order to solve the problem of increasing the heat dissipation performance of the device, such as Figure 1 As shown, a plurality of protrusions 6 are provided on the upper end of the shielding layer cover 7 to increase the contact area with the external air and to improve the heat dissipation performance of the device.

[0036] Specifically, a vent 19 is disposed on one side of the charger body 14 , and the vent 19 is provided with a plurality of first dustproof nets 20 .

[0037] In order to solve the problem of charger ventilation, such as Figure 4 As shown, a vent 19 is provided on one side of the charger body 14 for achieving air circulation inside the charger, and a plurality of first dustproof nets 20 are provided on the vent 19 to prevent external impurities from entering the interior of the charger.

[0038] Specifically, a second dustproof net 22 is disposed on the other side of the charger body 14 .

[0039] In order to solve the problem of preventing external impurities from entering the charger, such as Figure 3 As shown, a second dustproof net 22 is provided on the other side of the charger body 14 to prevent external impurities from entering the interior of the charger.

[0040] Specifically, the second shielding layer side plates 4 are fixedly arranged on both sides of the first shielding layer side plate 1 , and the second shielding layer side plates 4 are penetrated by a plurality of heat dissipation holes 23 .

[0041] In order to solve the problem of shielding on both sides without affecting the ventilation of the charger body, such as Figure 1 , 5 As shown, the second shielding layer side plates 4 are fixedly arranged on both sides of the first shielding layer side plates 1 for shielding electromagnetic waves on both sides of the charger body 14. The second shielding layer side plates 4 are penetrated by a plurality of heat dissipation holes 23 for achieving air circulation inside the charger body 14 without hindering heat dissipation.

[0042] Specifically, a rain eyebrow 5 is fixed on the upper edge of the heat dissipation hole 23 .

[0043] In order to solve the problem that the charger can still be used in rainy weather, such as Figure 5 As shown, a rain eyebrow 5 is fixed on the upper edge of the heat dissipation hole 23 to prevent rainwater from entering the charger body 14 through the heat dissipation hole 23 when used in rainy weather, causing damage to electronic components.

[0044] Specifically, a second limit block 15 is fixed to one side of the charger body 14 , and a charger upper cover 8 is provided at the upper end of the charger body 14 .

[0045] In order to solve the problem of limiting the cooling fan body and protecting the electronic components inside the charger body, such as Figure 2 , 3As shown, a second limit block 15 is fixed to one side of the charger body 14 for limiting the cooling fan body 16 , and a charger cover 8 is provided at the upper end of the charger body 14 for protecting the electronic components inside the charger body 14 .

[0046] The specific implementation methods disclosed in the present invention omit detailed descriptions of known functions and known components. To ensure the compatibility of the equipment, the operating methods adopted are consistent with the parameters of commercially available equipment.

[0047] In summary, the working principle and use process of the utility model are as follows: a plurality of first limit blocks 9 are fixedly provided on the upper end of the shielding layer bottom plate 3, which are used to limit the clamping of the charger body 14; a plurality of fixing columns 10 are fixedly provided on the upper end of the shielding layer bottom plate 3, which are used to install and fix the first shielding layer side plate 1; a charger body 14 is provided on the upper end of the shielding layer bottom plate 3, which is used to install other electronic components; the charger body 14 is just limited and clamped by the plurality of first limit blocks 9, so that it will not fall off; a crossbeam 12 is fixed on the bottom end of the charger body 14, which is used to install and fix the power supply 11; a power supply 11 is fixed on the upper end of the crossbeam 12, which is used to connect to an external circuit The main board 13 is electrically connected to the main board 13, and the main board 13 is fixed on the upper end of the cross beam 12 for realizing the charging of the electric vehicle. A heat dissipation fan main body 16 is arranged on one side of the charger main body 14, and a fixing rod 18 is fixed on one side of the heat dissipation fan main body 16 for installing and fixing the motor 17. The motor 17 is arranged in the middle of the fixing rod 18 to provide driving force for the rotation of the heat dissipation fan blades 21. The fan blades 21 are connected to one side of the motor 17 through an axis to realize the discharge of internal hot air to the outside. Several fixing blocks 24 are fixed on the upper part of the charger main body 14 for fixing other devices. A first shielding layer side plate 1 is fixed on one side of the fixing column 10 for electromagnetic wave protection on both sides of the charger. Shielding, a shielding layer cover 7 is fixed on the upper end of the fixed column 10 for shielding the upper electromagnetic waves, a support leg 2 is fixed on the bottom end of the shielding layer bottom plate 3 for supporting the device as a whole, a plurality of protrusions 6 are arranged on the upper end of the shielding layer cover 7 to increase the contact area with the external air and improve the heat dissipation performance of the device, a vent 19 is arranged on one side of the charger body 14 for achieving air circulation inside the charger, a plurality of first dustproof nets 20 are arranged on the vent 19 to prevent external impurities from entering the charger, a second dustproof net 22 is arranged on the other side of the charger body 14 to prevent external impurities from entering the charger, and a first shielding layer side plate 1 Second shielding layer side plates 4 are fixedly arranged on both sides for shielding electromagnetic waves on both sides of the charger body 14. Several heat dissipation holes 23 are penetrated by the second shielding layer side plates 4 for realizing air circulation inside the charger body 14 without hindering heat dissipation. Rain eyebrows 5 are fixed on the upper edges of the heat dissipation holes 23 for preventing rainwater from entering the charger body 14 through the heat dissipation holes 23 in rainy weather and causing damage to electronic components. A second limit block 15 is fixed on one side inside the charger body 14 for limiting the heat dissipation fan body 16. A charger cover 8 is arranged on the upper end of the charger body 14 for protecting the electronic components inside the charger body 14.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electric vehicle charger with electromagnetic shielding function, comprising a shielding layer bottom plate (3), characterized in that: A plurality of first limit blocks (9) are fixedly arranged on the upper end of the shielding layer bottom plate (3), a plurality of fixing columns (10) are fixedly arranged on the upper end of the shielding layer bottom plate (3), a charger body (14) is arranged on the upper end of the shielding layer bottom plate (3), the charger body (14) is just limited and clamped by the plurality of first limit blocks (9), a crossbeam (12) is fixedly arranged on the bottom end of the charger body (14), a power source (11) is fixedly arranged on the upper end of the crossbeam (12), and a main board (13) is fixedly arranged on the upper end of the crossbeam (12). A heat dissipation fan body (16) is arranged on one side of the charger body (14); a fixing rod (18) is fixed to one side of the heat dissipation fan body (16) by screws; a motor (17) is arranged in the middle of the fixing rod (18); a fan blade (21) is connected to one side of the motor (17) by an axis; a plurality of fixing blocks (24) are fixed to the upper part of the charger body (14); a first shielding layer side plate (1) is fixed to one side of the fixing column (10); and a shielding layer upper cover (7) is fixed to the upper end of the fixing column (10) by bolts.

2. The electric vehicle charger with electromagnetic shielding function according to claim 1, characterized in that: The bottom end of the shielding layer bottom plate (3) is fixed with a supporting leg (2) via bolts.

3. The electric vehicle charger with electromagnetic shielding function according to claim 1, characterized in that: A plurality of protrusions (6) are arranged on the upper end of the shielding layer upper cover (7).

4. The electric vehicle charger with electromagnetic shielding function according to claim 1, characterized in that: A vent (19) is provided on one side of the charger body (14), and the vent (19) is provided with a plurality of first dustproof nets (20).

5. The electric vehicle charger with electromagnetic shielding function according to claim 4, characterized in that: A second dustproof net (22) is provided on the other side of the charger body (14).

6. The electric vehicle charger with electromagnetic shielding function according to claim 1, characterized in that: Second shielding layer side plates (4) are fixedly arranged on both sides of the first shielding layer side plate (1), and the second shielding layer side plate (4) is penetrated by a plurality of heat dissipation holes (23).

7. The electric vehicle charger with electromagnetic shielding function according to claim 6, characterized in that: A rain eyebrow (5) is fixed on the upper edge of the heat dissipation hole (23).

8. The electric vehicle charger with electromagnetic shielding function according to claim 5, characterized in that: A second limiting block (15) is fixed to one side of the interior of the charger body (14), and a charger upper cover (8) is provided at the upper end of the charger body (14).

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